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Finding the Fourth Proportional to 271,508,906.60, 407,263,359.90 and 67,036,981.85

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Solution

The fourth proportional to 271,508,906.60, 407,263,359.90 and 67,036,981.85 is: 100,555,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,508,906.60 : 407,263,359.90 = 67,036,981.85 : x
  2. Step 2: Convert to fraction form
    271,508,906.60/407,263,359.90 = 67,036,981.85/x
  3. Step 3: Cross multiply
    271,508,906.60x = 407,263,359.90 × 67,036,981.85
  4. Step 4: Simplify right side
    271,508,906.60x = 27,301,706,465,786,316
  5. Step 5: Solve for x
    x = 27,301,706,465,786,316/271,508,906.60
  6. Step 6: Final answer
    x = 100,555,472.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.